Pumpkins, cornstalks, witches, spider webs, ghosts, and more have cropped up in yards. You might've even spied a jack-o'-lantern or two by now. It's that time of year - Halloween and Thanksgiving are just around the corner.Contrary to some beliefs, pumpkins are a fruit, not a vegetable. They can range in size from less than 1 pound to more than 1,000 pounds in size. Pumpkins are a warm-season crop and best planted in early July, when the soil temperatures reach 60 degrees at 3 inches below the soil surface. Watering only the roots and vines can prevent the leaves from …